Classification of Pearson et al. 2002
Cl. Reptilia Laurenti 1768 [reptile]
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Or. Testudines Batsch 1788 [turtle]
Or. Saurischia Seeley 1888 [saurischian]
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G. †Paronychodon Cope 1876
Fm. †Troodontidae Gilmore 1924
Subcl. Elasmobranchii Bonaparte 1838 [elasmobranch]
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